Eat it whole. People who see me eat kiwis think I’m messing with them. I’ve never know different

South America has the equivalent level of technology to wherever you come from so no. You wouldn’t be different enough to change any civilizational paradigms. For a less strawmanny example, if you moved to another country tomorrow and revealed the secrets to clean, unlimited power and used techniques and methods to do so that were far outside of our current understanding of physics then maybe you would be.

Yes, if those people are technologically so advanced as to be indistinguishable from wizards. In Graham Hancocks mythology, these people brought the secrets of agriculture and advanced maths to indigenous peoples around the world. A lot of his evidence for this comes from ancient religious texts and artifacts. So, if these people are so advanced that they are worshiped by the natives I think it’s fair to say he is describing a super race.

The survivors of the cataclysm that brought their advanced knowledge to the ancient peoples is the super race.

Did that 1950s husband work his ass off or could he afford a home, car and family on wage at about ~40 hrs a week? Maybe both, but, having been and known people, I doubt people worked harder back then. The switch from black and white to color did not change human nature.